Honeywell Y460A2003 User's Manual
Contents
1. 69 1358 THE ROUND CREATIVE SERIES Y460A2003 THERMOSTAT Q Disconnect wires from the old thermostat or subbase Wrap the wires around a pencil or other object as shown to prevent them from falling back into the wall opening WIRES THROUGH WALL OPENING M5136 NOTE As you disconnect each wire use masking tape to tape the end and label with the letter of the terminal designation to allow easier recon nection to the new subbase Q Keep the old thermostat for reference until your new thermostat is functioning correctly Oh RECYCLING NOTICE If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Dispose of it properly Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old thermostat If you have questions call the Honeywell Customer Response Center at 1 800 468 1502 4 MOUNT THE SUBBASE IMPORTANT Install your thermostat about 5 ft 1 5m above the floor in an area with good air circulation at average temperature Do not install it where it may be affected by drafts or dead spots behind doors and in corners hot or cold air from ducts radiant heat from sun or appliances concealed pipes and chimneys unheated uncooled areas such as an outside wall behind the thermostat Q Bring the thermostat cable through the subbase entrance hole Q F2. BILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you specific legal rights and you may have other rights which vary from state to state If you have any questions concerning this warranty please write our Customer Assistance Center Honeywell Inc P O Box 524 Minneapolis MN 55440 0524 or call 1 800 468 1502 Monday Friday 7 00 a m to 5 30 p m Central time In Canada write Retail Products ON15 02H Honeywell Limited Honeywell Limit e 155 Gordon Baker Road North York Ontario M2H 3N7 5 69 1358 Honeywell Home and Building Control Honeywell Inc Honeywell Plaza P O Box 524 Minneapolis MN 55408 0524 69 1358 G H 12 99 Printed in Mexico Home and Building Control Honeywell Limited Honeywell Limit e 155 Gordon Baker Road North York Ontario M2H 3N7 www honeywell com
3. Honeywell The Round Creative Series Y460A2003 Thermostat The Y460A2003 Thermostat is for 15 to 30 Vac control of gas or oil fueled warm air steam or hot water heating electric cooling systems Your Y460A Thermostat Q Follow these instructions step by step for proper installation of your Honeywell thermostat It is recommended that as you read understand and complete each step you check v it off with a pencil or pen 1 PREPARE FOR INSTALLATION Q Assemble the following required tools Flat bladed screwdriver hand or power drill with 3 16 in 4 8 mm drill bit wire cutter stripper or sharp knife bubble level or plumb bob and line I FLAT BLADE SCREWDRIVER HAND OR POWER DRILL WITH 1 16 INCH DRILL BIT IF NEEDED TO DRILL HOLES IN WALL aS O WIRE CUTTER STRIPPER OR SHARP MASKING TAPE IF NEEDED TO LABEL WIRES AS THEY KNIFE IF NEEDED TO STRIP WIRES ARE DISCONNECTED FROM OLD THERMOSTAT SPIRIT LEVEL OR PLUMB BOB AND LINE TO LEVEL THERMOSTAT FOR ACCURATE OPERATION M835 IMPORTANT For cooling systems do not operate cooling if outdoor temperature is below 50 F 10 C Q Test your heating and or cooling systems to be sure they are working especially if they have been inoperative for any length of time If either system does not work contact your local heating air conditioning dealer for assistance U S Registered Trademark C
4. aptive mounting screws see Step 4 These captive mounting screws complete the electrical connections to the thermostat 7 SET HEAT ANTICIPATOR INDICATOR Q Be sure the thermostat adjustable heat anticipator is set correctly to accurately control the temperature An incorrect setting if too high can result in wide room temperature swings or if too low burn out the anticipator which voids the thermostat warranty Q Make sure you have the current draw anticipator setting for your system This is the number you wrote in the box in Step 3 If you were unable to find the current draw for Step 3 this information can be found printed on the primary control at the furnace or boiler The primary control is usually a gas valve a relay or burner control box Aquastat Controller or zone valve with the thermostat wires connected to it These controls are usually located behind the furnace cover see the illustration OIL BURNER CONTROL SHOWS CURRENT DRAW SHOWS VOLTAGE RATING TO RATING FROM MAIN FUEL SUPPLY ZONE VALVE BURNER SHOWS ANTICIPATOR SETTING M6116B TYPICAL GAS VALVE Q If the current rating is still unavailable Remove the W wire from the subbase Connect one probe of an ac ammeter 0 to 2 0A for example to the W wire and connect the other probe to the W terminal 3 69 1358 THE ROUND CREATIVE SERIES Y460A2003 THERMOSTAT Let the system operate thro
5. asten the subbase to the wall or outlet box with the mounting screws as shown in the illustration Q539 A SUBBASE N THERMOSTAT CABLE ENTRANCE LE MOUNTING SCREWS 3 USE 0539 SUBBASE FOR HEAT AND OR COOL APPLICATIONS WITH SWITCHING M13416 69 1358 OUTLET BOX Q539 A SUBBASE aN THERMOSTAT CABLE ENTRANCE HOLE MOUNTING SCREWS 3 A USE Q539 SUBBASE FOR HEAT AND OR COOL APPLICATIONS WITH SWITCHING M13417 Q Tighten the screws after using a spirit level or plumb line to accurately level the subbase It must be level to maintain accurate calibration PLUMB LINE MARKERS MOLDED POST 2 SPIRIT J we OPENING FOR THERMOSTAT WIRING PLUG WITH INSULATION MOUNTING SLOT 3 MOUNTING HOLE 3 M13415 5 WIRE THE SUBBASE Q Follow the instructions provided by the heating or heating cooling equipment manufacturer If not available refer to the thermostat wiring diagram NOTE All wiring must comply with local electrical codes and ordinances Wire the Subbase Q Refer to the illustration to strip the thermostat wire insulation from the wire where it connects to the terminal as necessary Q Refer to the labels you placed on the wires when you removed the old thermostat Match the letter of your old thermostat wire with the corresponding terminal letter on your new thermostat Q Connect the wires to the matching terminals on the subbase If your old thermo
6. ns Honeywell shall repair or replace it at Honeywell s option within a rea sonable period of time If the product is defective i return it with a bill of sale or other dated proof of pur chase to the retailer from which you purchased it or ii package it carefully along with proof of purchase including date of purchase and a short description of the malfunction and mail it postage prepaid to the fol lowing address Honeywell Inc Return Goods Department 1050 Berkshire Lane Plymouth MN 55441 4437 This warranty does not cover removal or reinstallation costs This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer THE ROUND CREATIVE SERIES Y460A2003 THERMOSTAT Honeywell s sole responsibility shall be to repair or replace the product within the terms stated above HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF THIS PRODUCT Some states do not allow the exclusion or limitation of inciden tal or consequential damages so this limitation may not apply to you THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT THE DURATION OF ANY IMPLIED WARRANTIES INCLUDING THE WAR RANTIES OF MERCHANTA
7. opyright 1999 Honeywell Inc All Rights Reserved INSTALLATION MANUAL IMPORTANT Turn off power to the system at the main fuse or circuit breaker panel Most buildings have a separate switch box or circuit breaker for dis connecting power to the furnace 2 UNPACK YOUR THERMOSTAT Q Carefully unpack your new thermostat Q Remove and discard the shipping wrap be sure to save the screws and the instructions Q Remove the thermostat cover and set it aside to use later Q Remove the red plastic insert that holds the mercury switch in place 3 REMOVE YOUR OLD THERMOSTAT Q Remove the cover of the old thermostat If the cover does not snap off when pulled firmly from the bottom look for screw s to loosen to unlock the cover Q Before removing the old thermostat from the wall look at it carefully to locate the heat BULB SWITCH anticipator adjustment a ANTICIPATOR mechanism Look wae at the illustration to help you recognize ANTICIPATOR the heat Mats SETTING LEVER anticipator Make a note here of that anticipator setting for use in Step 7 The heat anticipator pointer if adjustable will be set at one of a series of numbers representing the electrical current rating of the primary control in your furnace 2 4 8 etc or 0 2 0 4 0 8 etc If no heat anticipator indication is showing go on to the next step Q Loosen screw s holding the thermostat base to the subbase or wall and lift it away
8. stat had an R terminal and your new one has RC and RH terminals connect the old wire R to terminal RH and add a small piece of wire to use as a jumper to connect RC to RH The drawing shows how to jumper RC to RH THE ROUND CREATIVE SERIES Y460A2003 THERMOSTAT EXAMPLE FOR Rc TO Ry JUMPER STRIP WIRE END LONG ENOUGH TO JOIN BOTH TERMINALS M1277A Q Firmly tighten the screws Q Push the excess wire back into the wall Q Plug the hole with nonflammable insulation to prevent drafts from affecting the thermostat operation Y460A for heating cooling system using separate RC RH terminals If old thermostat has single R terminal refer to jumper drawing in Subbase Wiring procedure HEATING RELAY OR VALVE COIL COOLING CONTACTOR COIL RELAY dlh A A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED IN HEATING THE FAN IS CONTROLLED BY ANOTHER CONTROLLER SUCH AS A HONEYWELL L4064 FAN AND LIMIT CONTROLLER OR FAN TIMER misaie SHOWS VOLTAGE RATING V8043E 1004 4 24V 50 60CY SHOWS ANTICIPATOR SETTING SHOWS VOLTAGE 6 MOUNT YOUR THERMOSTAT Q Set the heat anticipator indicator to 1 2 before mounting to prevent the anticipator from burning out during installation HOLE SUITABLE FOR PENCIL POINT TO MOVE INDICATOR HEAT ANTICIPATOR INDICATOR M1368 Q Align the thermostat over the subbase and tighten the three c
9. ugh the ammeter for at least one minute before taking a reading Record the reading here Reconnect the W wire to the W terminal Q Move the heat anticipator indicator to match the number you recorded in Step 3 or in Step 7 NOTE Hot water and steam systems require you to multiply the current rating times 1 3 For elec tric heat systems add the fan relay current usually 0 2A to 0 4A Q Snap the cover ring over the thermostat dial 8 SET THE TEMPERATURE Q Turn the transparent dial until the desired point on the setting scale is aligned with the pointer as shown in the illustration IMPORTANT During a call for heat or cool an electrical spark can be seen through the colored decorator cover ring Do not be alarmed this is normal operation for a mercury switch Set Subbase Switch A CAUTION Equipment Damage Hazard Can cause permanent damage to the compressor Do not rotate the thermostat dial back and forth just to observe the electrical spark observe the compressor five minute minimal off period Q To operate the heating system set the subbase System switch to Heat To operate the cooling system set the subbase System switch to Cool Set it to Off if you want neither heating or cooling Q Set the Fan switch to On for continuous fan operation or to Auto for fan operation during heating or cooling cycles TEMPERATURE SETTING THERMOMETER M13419 69 1358 9 CHECK OUT THE SYSTEM Heating Q T
10. urn down the temperature setting to the lowest point Move the System switch to Heat Raise the temperature setting above room temperature the heating equipment should start Lower the temperature setting below room temperature the heating system should stop Cooling A CAUTION Equipment Damage Hazard Can cause permanent damage to the compressor or other equipment To avoid possible compressor damage allow the compressor to remain off for five minutes before restarting To avoid possible equipment damage do not operate cooling when the outside temperature is below 50 F 10 C See equipment manufacturer instructions CAUTION Equipment Damage Hazard Can cause permanent damage to the compressor Do not rotate the thermostat dial back and forth just to observe the electrical spark observe the compressor five minute minimal off period Q Turn up the temperature setting to the highest point Move the subbase System switch to Cool Lower the temperature setting below the room temperature the cooling equipment should start Raise the tempera ture setting above the room temperature the cooling system should stop WARRANTY Honeywell warrants this product excluding battery to be free from defects in the workmanship or materials under normal use and service for a period of one 1 year from the date of purchase by the consumer If at any time during the warranty period the product is defective or malfunctio
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